Jentech Precision Industrial (3653.TW, TWSE) is a Taiwan, China company in the Liquid Cooling & Thermal segment of the AI compute value chain. As of October 04, 2026, its market cap is $31.4 billion ($31.4B), ranking #82 of 244 companies overall and #3 of 16 in the Liquid Cooling & Thermal segment (13.2% of the segment, 0.12% of the chain). Over the past year the stock gained 191.2% (52-week range 2,020.00 – 6,920.00 TWD).
| Company | Jentech Precision Industrial（健策精密） |
|---|---|
| Ticker | 3653.TW · TWSE |
| Segment | Liquid Cooling & Thermal |
| Headquarters | Taiwan, China |
| Market cap | $31.4B（$31.4 billion） |
| Close | 6,800.00 TWD (October 04, 2026) |
| Today | -1.09% |
| 30 days | +24.54% |
| 1 year | +191.22% |
| 52-wk high / low | 6,920.00 / 2,020.00 TWD |
| Share of segment | 13.2% (Liquid Cooling & Thermal: 16 companies) |
| Share of chain | 0.12% (244 companies combined) |
| Segment leader | Vertiv Holdings ($97.1B) |
| Revenue (TTM) | $721.8 million |
|---|---|
| Net income (TTM) | $210.0 million |
| Employees | 655 |
| P/E ratio (TTM) | 154.1 |
| P/B ratio | 41.91 |
| Gross margin | 42.6% |
| Net margin | 28.4% |
| Dividend yield | 0.32% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Vertiv Holdings VRT | US | $97.1B |
| 2 | AVC 3017.TW | TW | $42.4B |
| 3 | Jentech Precision Industrial 3653.TW | TW | $31.4B |
| 4 | nVent Electric NVT | US | $27.4B |
| 5 | Envicool 002837 | SZ | $10.3B |
| 6 | Shenling Environment 301018 | SZ | $4.9B |
| 7 | Jones Tech 300684 | SZ | $4.8B |
| 8 | Kaori Heat Treatment 8996.TW | TW | $4.4B |
| 9 | Auras Technology 3324.TW | TW | $4.4B |
| 10 | FRD Science & Technology 300602 | SZ | $3.0B |